Author name: Frontiercell

전해액 주액 공정의 환경압력 프로파일 비교 — 선행기술의 감압 선행 방식과 US10476097B2 청구항 1의 교대 반복 방식
Patent Analysis

[Patent Analysis] Filling Electrolyte ‘Atmospheric-Pressure First,’ Not ‘Vacuum First’ — The Claim Boundary of the Reduced-Pressure Cycle Drawn by US10476097B2

Envision AESC Energy Devices’ electrolyte-injection patent US10476097B2 (priority 2015-04-16, granted 2019-11-12) claims not vacuum itself, but a sequence that begins at atmospheric pressure and then alternates between injection and reduced pressure. Using a claim chart against the prior reference US6530145B1, this piece identifies the design-around points and the counterarguments to them.

특허 분석 — 특허 문서와 원통형 셀, 생산 라인을 나타낸 아이소메트릭 도해
Patent Analysis

A Quieter Patent Than the 4680 — How Panasonic Used Graphite Particle Strength to Control Resistance Variation in Cylindrical Cells

Panasonic’s US patent US12080916B2 claims that when negative-electrode graphite particles simultaneously meet two property windows, ‘internal porosity of 5% or less’ and ‘breaking strength of 25-55 MPa’, the cell-to-cell variation in internal resistance shrinks in cylindrical cells whose negative electrode directly contacts the outer can.

K-배터리쇼 2026 전시 구성과 수주 공시를 겹쳐 본 셀 제조 라인의 발주 무게중심 이동 개념도
News & Trends

The Year Equipment Shows Got an ‘EV Fire Special Zone’ — What K-Battery Show 2026 Revealed About the Center of Gravity in Equipment Orders

Overlaying the exhibition layout of the 5th Secondary Battery Materials, Components & Equipment Show (September 9–11, 2026) at KINTEX with three order/procurement announcements disclosed the same week reveals a signal: the center of gravity in equipment orders is shifting from capacity expansion toward safety, inspection, and back-end processes.

Cell Chemistry & Materials, Patent Analysis

[Patent Analysis] LG Energy Solution’s Bimodal LMR Cathode Patent (WO2026038783A1) — The Scope of a Three-Particle Combination That Prevents Rolling Fracture

LG Energy Solution’s international application WO2026038783A1 seeks to solve the problem of manganese-rich LMR cathode material fracturing during electrode rolling by mixing two types of LMR particles of different sizes with one type of single-particle NCM particle.

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